package System;

public class Test {
    public static void main(String[] args) {
        long time =  System.currentTimeMillis();
        System.out.println(time);
        for (int i = 0; i < 100000; i++) {
            System.out.println("输出了："+ i);
        }
        long time2 = System.currentTimeMillis();
        System.out.println((time2-time )/1000.0 + "s");


        System.exit(0);  //人为的终止虚拟机
        System.out.println("========");


    }
}
